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Answered

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Keiko surveyed people with cell phones.

Ages in years = a

Texts they send per day = t

He drew a best-fit line and determined its equation.

Evaluate how many texts a 15 year old would send each day according to Keiko's trend line equation.

Keiko Surveyed People With Cell Phones Ages In Years A Texts They Send Per Day T He Drew A Bestfit Line And Determined Its Equation Evaluate How Many Texts A 15 class=
Keiko Surveyed People With Cell Phones Ages In Years A Texts They Send Per Day T He Drew A Bestfit Line And Determined Its Equation Evaluate How Many Texts A 15 class=

Sagot :

Answer:

67.69

Step-by-step explanation:

You have your equation, t = -1.63 a + 92.14

a = age

a = 15

if you update your equation to fill in for a you get:

= -1.63 (15) + 92.14

-1.63 x 15 = -24.45

-24.45 + 92.14 = 67.69

67.69

mossy0akgurl14

Answer:

67.69

Step-by-step explanation:

You have your equation, t = -1.63 a + 92.14

a = age

a = 15

if you update your equation to fill in for a you get:

= -1.63 (15) + 92.14

-1.63 x 15 = -24.45

-24.45 + 92.14 = 67.69

67.69

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